import turtle


def fib_2(max):
    if max <= 2:
        return 1
    return fib_2(max - 1) + fib_2(max - 2)


t = turtle.Turtle()
t.speed(1)

for i in range(1, 12):
    num = fib_2(i) * 10
    for k in range(4):
        t.forward(num)
        t.left(90)
    t.circle(num, extent=90)

turtle.done()
